Four and a half months post bracketing (Fig.23, left lateral view).

Spaces are evenly spread out in the upper arch.

The lower left 1st bicuspid space is larger than the right counterpart, which happens to be associated with the impaction of #18.  What can be done?

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Xin Wei, DDS, PhD, MS 1st edition 08/14/2014, last revision 08/15/2014